| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.activemq.openwire.tool.commands; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Provides methods to get a Source file and Header file Code generator given a Class |
| * name. |
| * |
| * @since 2.0 |
| */ |
| public class CommandCodeGeneratorsFactory { |
| |
| private Set<String> commandsWithShortcuts; |
| |
| /* |
| * Here we store all Commands that need to have a isXXX method generated |
| * such as isMessage. We then check in the <code>checkNeedsShortcut</code> |
| * method and if the Command being generated is in this list we create a |
| * method call to override the virtual method in the base Command interface. |
| */ |
| { |
| commandsWithShortcuts = new HashSet<String>(); |
| commandsWithShortcuts.add("BrokerInfo"); |
| commandsWithShortcuts.add("ControlCommand"); |
| commandsWithShortcuts.add("ConnectionControl"); |
| commandsWithShortcuts.add("ConnectionError"); |
| commandsWithShortcuts.add("ConnectionInfo"); |
| commandsWithShortcuts.add("ConsumerControl"); |
| commandsWithShortcuts.add("ConsumerInfo"); |
| commandsWithShortcuts.add("FlushCommand"); |
| commandsWithShortcuts.add("KeepAliveInfo"); |
| commandsWithShortcuts.add("Message"); |
| commandsWithShortcuts.add("MessageAck"); |
| commandsWithShortcuts.add("MessageDispatch"); |
| commandsWithShortcuts.add("MessageDispatchNotification"); |
| commandsWithShortcuts.add("MessagePull"); |
| commandsWithShortcuts.add("RemoveInfo"); |
| commandsWithShortcuts.add("RemoveSubscriptionInfo"); |
| commandsWithShortcuts.add("ReplayCommand"); |
| commandsWithShortcuts.add("Response"); |
| commandsWithShortcuts.add("ProducerAck"); |
| commandsWithShortcuts.add("ProducerInfo"); |
| commandsWithShortcuts.add("ShutdownInfo"); |
| commandsWithShortcuts.add("TransactionInfo"); |
| commandsWithShortcuts.add("WireFormatInfo"); |
| } |
| |
| /** |
| * Given a class name return an instance of a Header File Generator |
| * that can generate the header file for the Class. |
| * |
| * @param className - name of the class to find the generator for |
| * |
| * @return a new Header File code generator. |
| */ |
| public CommandCodeGenerator getHeaderGenerator( String className ) { |
| |
| CommandCodeGenerator generator = null; |
| |
| generator = this.getCodeGenerator( className, "Header" ); |
| if (className.endsWith("Id")) { |
| generator.setComparable(true); |
| generator.setAssignable(true); |
| generator.setHashable(true); |
| } |
| |
| if (this.commandsWithShortcuts.contains(className)) { |
| generator.setGenIsClass(true); |
| } |
| |
| return generator; |
| } |
| |
| /** |
| * Given a class name return an instance of a Source File Generator |
| * that can generate the source file for the Class. |
| * |
| * @param className - name of the class to find the generator for |
| * |
| * @return a new Source File code generator. |
| */ |
| public CommandCodeGenerator getSourceGenerator( String className ) { |
| |
| CommandCodeGenerator generator = null; |
| |
| generator = this.getCodeGenerator(className, "Source"); |
| if (className.endsWith("Id")) { |
| generator.setComparable(true); |
| generator.setAssignable(true); |
| generator.setHashable(true); |
| } |
| |
| return generator; |
| } |
| |
| /** |
| * Given a class name return an instance of a CSharp Class File Generator |
| * that can generate the file for the Class. |
| * |
| * @param className - name of the class to find the generator for |
| * @param fileType - type identifier for the generator, either "Source" or "Header" |
| * |
| * @return a new Header File code generator. |
| */ |
| public CommandCodeGenerator getCodeGenerator(String className, String fileType) { |
| |
| Class<?> generatorClass = null; |
| |
| try { |
| generatorClass = Class.forName("org.apache.activemq.openwire.tool.commands." + |
| className + fileType + "Generator"); |
| } catch (ClassNotFoundException e) { |
| try { |
| generatorClass = Class |
| .forName("org.apache.activemq.openwire.tool.commands.Command" |
| + fileType + "Generator"); |
| } catch (ClassNotFoundException e1) { |
| e1.printStackTrace(); |
| return null; |
| } |
| } |
| |
| CommandCodeGenerator generator; |
| try { |
| generator = (CommandCodeGenerator) generatorClass.newInstance(); |
| } catch (InstantiationException e) { |
| e.printStackTrace(); |
| return null; |
| } catch (IllegalAccessException e) { |
| e.printStackTrace(); |
| return null; |
| } |
| |
| return generator; |
| } |
| } |